US4343608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compound and method for preserving dental pulp
Assignee: Individual
•
Filing: 1980-03-03
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Granted: 1982-08-10
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Expires: 2000-03-03
Abstract
Abstract A compound and method for preserving dental pulp, the essential ingredient of said compound comprising potassium nitrate and the method comprising as its essential step the capping of the pulp with the aforesaid compound.
Inventors
- 👤 Milton Hodosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:58
CPC Classifications
A; A61; A61K; A61K6/00; A61K6/60; A61K6/69; A61K6/80; A61K6/884; A61K6/887; A61K6/889
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
61 words
The method of treating pulpitis so as to prevent abscess formation, comprising the following steps: (A) removing any decay that exists (B) capping the pulp with a viscous mixture that will harden to a cementlike consistency, the essential ingredient of said mixture being potassium nitrate (C) permitting said mixture to substantially harden, and (D) placing a permanent restoration over said mixture.
Claim 2
Independent Claim
61 words
The method of treating pulpitis so as to prevent abscess formation, comprising the following steps: (A) removing any decay that exists (B) capping the pulp with a viscous mixture that will harden to a cementlike consistency, the essential ingredient of said mixture being potassium nitrate (C) permitting said mixture to substantially harden, and (D) placing a permanent restoration over said mixture.
Claim 3
Dependent Claim
20 words
The method of claim 1 wherein said mixture comprises potassium nitrate in an aqueous solution and a zinc oxide-eugenol paste.
Claim 4
Dependent Claim
30 words
The method of claim 2 wherein said mixture comprises by weight approximately 3 parts potassium nitrate in a saturated aqueous solution, 5 parts eugenol, and 40 parts powered zinc oxide.
Claim 5
Dependent Claim
17 words
The method of claim 1 wherein said mixture comprises zinc polyacrylate cement and water saturated potassium nitrate.
Claim 6
Dependent Claim
13 words
The method of claim 4 wherein said zinc polyacrylate cement is freeze dried.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-08-09 | 1986-02-08 | 1986-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-09 | 1990-02-08 | 1990-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-09 | 1994-02-08 | 1994-08-10 | $7700.00 | Window Closed / Lapsed |